Computer Algebra Information Network (CAIN)
A server providing information about Symbolic and Algebraic Computation, set up by the European SAC (Symbolic and Algebraic Computation) Network. The site maintains bibliographies, supports electronic newsletters, and announces current conferences, software
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Computer History Museum
The Computer History Museum presents and preserves for posterity the artifacts and stories of the information age. Exhibits include histories of the Internet and of computer chess; and a working model of the Babbage Engine, first undertaken by that mathematician
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Conception of the Good - Naveen Rizvi
"Insights into our current education system" by a UK classroom teacher. Rizvi, a self-described "believer in teaching via direct instruction," blogs to "share ideas and model how I have implemented these ideas and then discuss the impact of the number
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Conceptual Math Media, Inc.
Math educational products for both the classroom and family. Master multiplication facts and divisibility rules with PrimePak playing cards; create equations crossword-style with the Equate board game, also available via e-mail. Order products online
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Conceptua Math - Conceptua Math
A commercial company offering software and professional development for mathematics education. Fractions Tools, which consist of problems and standards-aligned lessons on fractions, are currently available for free. Accompanying Student Activities, which
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Conference Board of Mathematical Sciences (CBMS)
The Conference Board of the Mathematical Sciences is an umbrella organization consisting of sixteen professional societies all of which have as one of their primary objectives the increase or diffusion of knowledge in one or more of the mathematical sciences.
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Connect Capture Game - Rick Nordal
This paper and pencil game combines chess with dots-and-boxes. Completing a box "activates" the enclosed chess piece, which may then capture other activated chess pieces for points.
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CONNECT: Everyone can do Math and Science - Colorado
Colorado's NSF-funded statewide systemic initiative in mathematics and science. CONNECT is charged to provide support and leadership to increase the achievement of all Colorado students in mathematics and science, kindergarten through baccalaureate (K-16).
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Consortium for Mathematics and Its Applications (COMAP)
A non-profit organization offering multidisciplinary and academically rigorous curriculum materials and teacher development programs based on mathematical exploration of real-world problems. Developers of the PBS television series "For All Practical Purposes:
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Constructing Math Instruction - Chris Robinson
Blog by teacher "averse to binary thinking that refuses to countenance all the complexities of the minefield that is the real classroom." Posts, which date back to December, 2012, have included "Number Sense and My Students"; "Analyzing Student Questions";
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Constructions with ruler and compass
- Zef Damen
A page that answers the question, What are ruler-and-compass constructions? With links to step-by-step drawings for constructions: bisecting a given angle; constructing: a line perpendicular to a given line that divides it into two equal parts; a line
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Constructivism - Classroom Compass
The winter 1994 issue of Classroom Compass explores this theory of learning, including a brief literature summary and suggestions for the constructivist classroom. Two instructional activities (Which Container Holds the Most? for younger children and
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Constructor - Soda
Constructor animates and edits two-dimensional models made out of masses and springs. The springs can be controlled by a wave to make pulsing muscles, and you can construct models that bounce, roll, walk, etc. Try some of the ready-made models or build
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